MC33363 General Description
The MC33363 is a monolithic high voltage switching regulator that is specifically designed to operate from a rectified 240 Vac line source. This integrated circuit features an onchip 700 V/1.0 A SenseFET power switch, 450 V active offline startup FET, duty cycle controlled oscillator, current limiting comparator with a programmable threshold and leading edge blanking, latching pulse width modulator for double pulse suppression, high gain error amplifier, and a trimmed internal bandgap reference. Protective features include cyclebycycle current limiting, input undervoltage lockout with hysteresis, output overvoltage protection, and thermal shutdown. This device is available in a 16lead dualinline and wide body surface mount packages.
MC33363 Features
* OnChip 700 V, 1.0 A SenseFET Power Switch
* Rectified 240 Vac Line Source Operation
* OnChip 450 V Active OffLine Startup FET
* Latching PWM for Double Pulse Suppression
* CycleByCycle Current Limiting
* Input Undervoltage Lockout with Hysteresis
* Output Overvoltage Protection Comparator
* Trimmed Internal Bandgap Reference
* Internal Thermal Shutdown
MC33363 Connection Diagram
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